NEC NDA-24300 manual 301

	LIST OF FIGURES (CONTINUED)
Figure	Title		Page
Figure 4-24	CPR Face Layout	. . . . . . . . .	. . 301
Figure 4-25	Extraction of CPR from LPM	. . . . . . . . .	. . 302
Figure 4-26	Rear View of CPR	. . . . . . . . .	. . 302
Figure 4-27	How to Remove the Cooling FAN	. . . . . . . . .	. . 303
Figure 4-28	Fuses Used by System	. . . . . . . . .	. . 304
Figure 4-29	Blown Fault Example		. . 304
Figure 4-30	Fuse Locations Within System	. . . . . . . . .	. . 305
Figure 4-31	Fuse Location Within TSWM	. . . . . . . . .	. . 306
Figure 4-32	RGU Fuse Blown Fault Flowchart	. . . . . . . . .	. . 307
Figure 4-33	DC -48V Fuse Blown Fault Flowchart	. . . . . . . . .	. . 308
Figure 5-1	Controlling LC/ELC Circuit Cards and Speech Path		. . 312
Figure 5-2	Controlling Trunk Circuit Cards and Speech Path	. . . . . . . . .	. . 323
Figure 5-3	ATT Connector Cabling and Connector Leads Accommodation		. . 330
Figure 5-4	Range of Units	. . . . . . . . .	. . 333
Figure 5-5	Unit Control Block Diagram (Dual Configuration)		. . 334
Figure 5-6	Unit Control Block Diagram (Single Configuration)	. . . . . . . . .	. . 335
Figure 5-7	MUX Card Locations		. . 335
Figure 5-8	Speech Path Block Diagram	. . . . . . . . .	. . 347
Figure 5-9	CPU Controlling Block Diagram	. . . . . . . . .	. . 357
Figure 5-10	Alarm Bus Cable Connections Diagram		. . 362
Figure 5-11	Cable Routing for Alarm Indications		. . 365
Figure 5-12	Cabling Related to Alarm Indicating Panel	. . . . . . . . .	. . 365
Figure 5-13	Block Diagram of Power Supply System (IMG0)	. . . . . . . . .	. . 367
Figure 5-14	Block Diagram of Power Supply System (IMG1)	. . . . . . . . .	. . 368
Figure 5-15	Block Diagram of Power Supply System (IMG2/3)	. . . . . . . . .	. . 368
Figure 5-16	Power Supply to PIM		. . 369
Figure 5-17	Power Supply to LPM		. . 369
Figure 5-18	Power Supply to TSWM	. . . . . . . . .	. . 370
Figure 5-19	Circuit Diagram of Fan Unit and Thermal Unit	. . . . . . . . .	. . 374
Figure 5-20	Dial Tone Connection		. . 376
Figure 5-21	External Hold Tone Supply Block Diagram	. . . . . . . . .	. . 378
Figure 5-22	System Down Fault Repair Sequence		. . 379
Figure 5-23	Controlling CCIS Line	. . . . . . . . .	. . 383
Figure 5-24	Controlling ISDN Line		. . 386
Figure 6-1	System Status Monitor		. . 391
Figure 6-2	Alarm Indications	. . . . . . . . .	. . 391
Figure 6-3	Alarm Indications on TOPU	. . . . . . . . .	. . 392
Figure 6-4	Automatic Printout to System Message Dedicated Printer Operating Procedure		. . 393
Figure 6-5	Recovery Procedure From Lockout Station		. . 394
Figure 6-6	Line Load Control Operations on ATTCON—Setting		. 396
Figure 6-7	Line Load Control Operations on ATTCON—Cancelling		. 397
Figure 6-8	Locations of Lamps (ATTCON)	. . . . . . . . .	. . 397
Figure 6-9	Line Load Control Key Operations on DESKCON—Setting		. 398
Figure 6-10	Line Load Control Key Operations on DESKCON—C ancelling		. . 398
Figure 6-11	Line Load Control Indication (DESKCON)	. . . . . . . . .	. . 399
Figure 6-12	Class Change and Number Change of Station and Data Terminal Procedure		. . 402
Figure 6-13	Make-Busy/Make-Busy Cancel of C.O. Line/Tie Line Procedure	. . . . . . . . .	. . 402
Figure 6-14	Message Format for Outgoing Call		. . 406
Figure 6-15	Message Format for Incoming Call		. . 407
	NDA-24300	LIST OF FIGURES
			Page xi
			Issue 1